Oppenheim Alan; Ronald W. Schafer <br/><br/>
Discrete time Signal Processing,3/ed 

 - 3 
 - New Delhi  Pearson  2010 
 - xxviii 1108 
<br/><br/><label>ISBN: </label>978013198842 
<br/><br/><label>Dewey Class. No.: </label>621.38043 OPP